118639480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 277390080

約数和(自身を除く): 158750600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 241, 248, 310, 397, 482, 620, 794, 964, 1205, 1240, 1588, 1928, 1985, 2410, 3176, 3970, 4820, 7471, 7940, 9640, 12307, 14942, 15880, 24614, 29884, 37355, 49228, 59768, 61535, 74710, 95677, 98456, 123070, 149420, 191354, 246140, 298840, 382708, 478385, 492280, 765416, 956770, 1913540, 2965987, 3827080, 5931974, 11863948, 14829935, 23727896, 29659870, 59319740, 118639480]

約数ペア:

[(1, 118639480), (2, 59319740), (4, 29659870), (5, 23727896), (8, 14829935), (10, 11863948), (20, 5931974), (31, 3827080), (40, 2965987), (62, 1913540), (124, 956770), (155, 765416), (241, 492280), (248, 478385), (310, 382708), (397, 298840), (482, 246140), (620, 191354), (794, 149420), (964, 123070), (1205, 98456), (1240, 95677), (1588, 74710), (1928, 61535), (1985, 59768), (2410, 49228), (3176, 37355), (3970, 29884), (4820, 24614), (7471, 15880), (7940, 14942), (9640, 12307)]